Toy building element



FIG. 1 is a top perspective view of a toy building element showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view;

FIG. 5 is a front elevational view thereof; the rear elevational view being identical; and

FIG. 6 is a side elevational view thereof; the side opposite being identical. 

The ornamental design for toy building element, as shown and described. 